Home / 187,530.40-281,265.28-69,257.44

Finding the Fourth Proportional to 187,530.40, 281,265.28 and 69,257.44

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Solution

The fourth proportional to 187,530.40, 281,265.28 and 69,257.44 is: 103,874.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,530.40 : 281,265.28 = 69,257.44 : x
  2. Step 2: Convert to fraction form
    187,530.40/281,265.28 = 69,257.44/x
  3. Step 3: Cross multiply
    187,530.40x = 281,265.28 × 69,257.44
  4. Step 4: Simplify right side
    187,530.40x = 19,479,713,253.68
  5. Step 5: Solve for x
    x = 19,479,713,253.68/187,530.40
  6. Step 6: Final answer
    x = 103,874.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.